TY  - BOOK
AU  - Sivasankaran, M ed.
AU  - Raveendran, P.K. ed.
TI  - Paristhithi parichayakosham (Malayalam)
U1  - 363.7 
PY  - 2000///
CY  - Kochi
PB  - Kerala Sastra Sahitya Parishad
KW  - Environmental sciences-Dictionaries
ER  -